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Q2 Word Wall
| Term | Definition |
|---|---|
| expression | A mathematical phrase that contains operations, numbers, and/or variables. |
| like terms | Terms that contain the same variables raised to the same power. |
| coefficient | A number multiplied by a variable in an algebraic expression |
| constant | In Algebra, a fixed value. A number on its own, or sometimes a letter that stands for a fixed number. In linear equations, y = mx + b, it is b. |
| variable | A symbol or letter used to represent a quantity that can change. |
| equation | A statement that two expressions are equivalent. For example, 3 x 9 = 27 and 8x=10. |
| percent | A ratio that compares a number to 100. The number of parts per 100. |
| constant of proportionality | The unit rate in a proportional relationship |
| complex fraction | A fraction that contains a fraction in its numerator, denominator, or both |
| ratio | The quantitative relation between two amounts showing the number of time one value contains or is contained in the other |
| percent change | A ratio that compares the amount of change to the original amount |
| percent error | a ratio that describes how far an estimate is from the actual amount. |
| mark-up | a percent added to the cost of an item to determine the selling price |
| mark-down | a deduction from the original cost of an item or service |
| simple interest | interest that is applied to the initial amount only |
| principal | the original amount borrowed for a loan or the original amount invested |
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